I am thinking of a counting number that is a multiple of 5, but not of 2 or of 3. It has either 2 digits or 3 digits, and no digit is greater than 5. How many numbers could I be thinking of?

asked by PT

6 years ago

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1 answer

25, 35, 55, 65, 85,

Continue from there.

answered by Ms. Sue

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Question

I am thinking of a counting number that is a multiple of 5, but not of 2 or of 3.  It has either 2 digits or 3 digits, and no digit is greater than 5.  How many numbers could I be thinking of?

Ms. Sue · Answer

25, 35, 55, 65, 85, Continue from there.